/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.pulsar.client.api;

/**
 * Default routing mode for messages to partition.
 *
 * This logic is applied when the application is not setting a key {@link MessageBuilder#setKey(String)} on a particular
 * message.
 */
public enum MessageRoutingMode {
    /**
     * The producer will chose one single partition and publish all the messages into that partition.
     */
    SinglePartition,

    /**
     * Publish messages across all partitions in round-robin.
     */
    RoundRobinPartition,

    /**
     * Use custom message router implemenation that will be called to determine the partition for a particular message.
     */
    CustomPartition
}
